US PATENT SUBCLASS 76 / 17
.~ Idle cutter, hammer-operated

Current as of: June, 1999
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76 /   HD   METAL TOOLS AND IMPLEMENTS, MAKING

12  DF  FILE CUTTING {9}
17.~ Idle cutter, hammer-operated {1}
18  DF  .~.~> Blow-controlled

DEFINITION

Classification: 76/17

Machines in which the cutter is supported over the blank, usually by a spring, and is struck by a hammer, generally power-operated.